磁發電機 的英文怎麼說
中文拼音 [cífādiànjī]
磁發電機
英文
magnetic generator-
Magnetos and dynamos for motorcycles
摩托車磁發電機和直流發電機.錐軸端Research on the new type permanent magnet automotive generator
新型車用永磁發電機的研製A new type permanent magnet automotive generator with automatic adjustable ability
具有自動調節能力的新型車用永磁發電機Magnetic circuit analysis and experiment of permanent magnet generator on the vehicle
車輛用永磁發電機磁路分析與試驗研究Rolling bearings - magneto - type ball bearings - geometric and characteristic
滾動軸承.永磁發電機型滾珠軸承.第bb . 1部分:形位和特Based on the operation principle of the system, a set of control unit is designed and some basic tests have been done
分析了高速發電機組控制系統的工作原理,研製了一套控制系統,並對高速永磁發電機進行了初步的實驗研究。And calculation methods are given. based on the above studies, hepmg electromagnetic computer - aided design software is developed and verified by test results
在上述工作的基礎上,開發了「混合勵磁永磁發電機電磁計算cad軟體」 ,並進行了試驗驗證,證明了所做工作的有效性和正確性。To improve round shoes can yu xing, developed with the independent permanent magnetism generators and lighting equipment glide wheel, one can be illuminated by rolling if there will be more people taking full market globe as tall slide
為提高輪鞋的可娛性,開發了裝有獨立永磁發電機與燈光設備的滑輪,一經滾動即可發亮,若場內有多人同時滑行必將滿場生輝。According to technology difficulties of pm generator for autos and the analysis of existing magnetic circuit of pm generator for autos, a magnetic circuit for this item is given. the main pm generator parameters are obtained. the optimized design is concerned by multi - sumt method
然後,根據開發車用永磁發電機的技術難點,分析比較了現有的車用永磁發電機的磁路結構,綜合不同結構的優缺點,給出了本課題車用永磁發電機採用的磁路結構。A high - speed generator is much different from a low - speed one not only on the mechanical aspect but also on the electrical - magnetic aspect. the main content of this paper are focused on the followings : first of all, a series of problems caused by the high speed are researched and the relative solutions are given out about the stator, the research focuses on stator losses, winding type, cooling system and so on
高速發電機轉速很高,無論在機械性能方面,還是電磁性能方面都與低速電機有較大不同,本文主要內容就是圍繞高速永磁發電機的設計特點從以下幾個方面展開的:首先,對高速電機因高轉速引起的一系列問題進行了研究,提出了解決相關問題的措施。The generator is verified to be of well performances by experiment. the third part concerns the control system of pm generator in vehicle application by commutating and inversion. considering the development of future power supply of auto electric system and the economizing on energy, the multi - voltage power supply system for future autos power supply system is introduced, and the design is given in detail
最後,結合現代電力電子技術,利用整流橋、逆變器、 mosfet等元器件設計並實現了車用永磁發電機恆壓輸出控制;從未來汽車電氣系統的發展方向和高效節能方面考慮,提出未來汽車的多電壓供電系統的典型配電模型,並對該模型進行具體設計,實現多電壓供電的功能,並給出了控制線路中各主要部分的波形。Three parts are included as follows : first of all, the basic circuit equation of radial pm generator for autos is given. the effect of reciprocity of pm and winding ' s magnetic force upon winding ' s inductance and current upon magnetic circuit saturation are analysed. according to these, we can obtain optimized design
首先,從本課題採用的徑向式結構的三相永磁同步發電機的物理模型出發,得出其基本電路方程式,並分析了永磁磁動勢與繞組磁動勢間相對位置的不同而對繞組電感不同的影響,相電流對磁路飽和效應的影響,為車用永磁發電機的優化設計提供了理論依據。Secondly, the math model of the high - speed pm generator with a shielding is deduced. the method of how to analyze the electromagnetic field of the generator is introduced. and with the help of a kind of fem software, the parameters of a model machine are calculated and simulated, including the electromagnetic field, no - load voltage, single - side magnetic force, loaded torque and axial force
其次,對轉子帶防護罩的高速永磁發電機數學模型進行了推導,介紹了利用有限元法對電機磁場進行分析的方法,並運用有限元軟體對一臺樣機的參數進行了模擬,包括電機磁場分析、空載電壓波形、單邊磁拉力、負載轉矩以及軸向力等方面的內容。The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply
交流勵磁發電機的基本結構與繞線式異步電機相同,其定子側接電網,轉子上採用三相對稱分佈的勵磁繞組,由變頻器提供對稱交流電勵磁,且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制,從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速,使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力,性能超越傳統同步發電機和感應發電機,因而有著廣闊的應用前景。So there are good prospects for alternating current excitation generators. in this thesis, the operation principle of aceg and the excitation control strategy based on dynamical synchronous reference frame are analyzed, the simulation models of the generator and excitation controller are established based on the saber simulator. according to the requirement of aceg, the converter should have regeneration capability, and the input and output currents of converter should be sinusoidal
由於交流勵磁發電機既可能運行於勵磁系統向電機轉子方輸入電功率,也可能運行於勵磁系統將轉子方輸出的電功率回饋給電網,根據交流勵磁發電機系統對勵磁變頻器功率雙向流動及變頻器輸入和輸出電流諧波含量少、諧波幅值小的要求,本文提出採用輸入和輸出性能優良的矩陣式交-交變頻器作為勵磁電源。Study on the control system of ac excited generator fed by matrix converter
矩陣變換器供電的交流勵磁發電機控制系統的研究It is the key point for aceg playing good transient characteristics, agility and reliability of operation that using appropriate excitation control strategy
採用合適的勵磁控制策略是交流勵磁發電機能夠發揮其良好的調節性能、運行的靈活性及可靠性的關鍵。Abstract : based on the classical theory, the harmonic winding potential of the tooth harmonic brushless exciting generator have been calculated and analysed. the results tally with the data of no - load test very well. it was demonstrated the designing thread of harmonic winding is correct
文摘:從經典理論出發,對齒諧波無刷勵磁發電機的諧波繞組電勢進行了分析計算,其結果與空載實驗得出的數據完全吻合.說明諧波繞組的設計思路是正確的In this article a new type wind generator - ac exited wind generator is introduced which new technology scheme by the variable - speed constant - frequency methods at the present time. the thesis mostly studies the way of some control methods and analysis the characters of vscf wind power system
本文全面介紹了一種最新應用於風力發電的變速恆頻技術、基於變速恆頻技術的新型電機?交流勵磁發電機及交流勵磁風力發電機系統的各種控制原理。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。分享友人